IndiaBIX

Civil Engineering - Concrete Technology

Exercise : Concrete Technology - Section 3
16.
The factor which affects workability, is
water content and its temperature
shape and size of the aggregates
grading and surface textures of the aggregates
air entraining agents
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
The cement whose strength is a little lower than the ordinary cement during the first three months but attains afterwards the same strength, is known as
low-heat Portland cement
rapid hardening Portland cement
Portland blast slag cement
Portland pozzolana cement
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
Pick up the correct statement from the following:
Sand stones may be divided into calcareous, siliceous and ferrugineous sand stones
Concrete using sand stones, cracks due to excessive shrinkage
Very hard and close grained crystallined lime stones are suitable aggregates but provide low strength
Broken bricks produce a concrete having good fire resisting qualities
All the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
Pick up the correct statement from the following:
Water enables chemical reaction to take place with cement
Water lubricates the mixture of gravel, sand and cement
Only a small quantity of water is required for hydration of cement
Strength of concrete structure largely depends upon its workability
All the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Pick up the incorrect statement applicable to the field test of good cement.
When one thrusts one's hand into a bag of cement, one should feel warm
The colour of the cement is bluish
A handful of cement thrown into a bucket of water should sink immediately
By rubbing cement in between fingers, one should feed rough
All the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers